1995 GMC Jimmy Q&A

1995 GMC Jimmy Question: heater fan

the heater fan does not work all the time . When it does not run it will not run at any speed. Sometimes it will run and at various speeds. It has been doing this for some time now. Bill -
Answer 1
sounds like your resister is going out or you have a wiring issue, check the resister first if that fixes it your good to go -
Answer 2
We have seen the blower motors that are intermittently failing cause this as well -
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